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kernel flags: Pass back kernel premable flags in kparams

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Kernel preamble flags are set by the signer for passing hints about
the image. Read these flags from the preamble and pass it back to the
caller in kparams structure.

BUG=chrome-os-partner:35861
BRANCH=None
TEST=Compiles and boots to kernel prompt for both CrOS image and bootimg.

Change-Id: I07a8b974dcf3ab5cd93d26a752c989d268c8da99
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/245951
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
This commit is contained in:
Furquan Shaikh
2015-02-03 16:28:31 -08:00
committed by ChromeOS Commit Bot
parent 80e779d50b
commit b7d1f03e36
4 changed files with 9 additions and 0 deletions
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2
firmware/include/vboot_api.h
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@@ -335,6 +335,8 @@ typedef struct VbSelectAndLoadKernelParams {
uint32_t bootloader_size;
/* UniquePartitionGuid for boot partition */
uint8_t partition_guid[16];
/* Flags passed in by signer */
uint32_t flags;
/*
* TODO: in H2C, all that pretty much just gets passed to the
* bootloader as KernelBootloaderOptions, though the disk handle is